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gemini
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Aliases: m
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const axios = require("axios");
/* =========================================
๐ GEMINI API KEY
๐ ONLY CHANGE THIS ONE LINE
========================================= */
const API_KEY = "AQ.Ab8RN6JYrkYsGJSe_jxw46dVTqtrvefw8UQi5BVuY9UwPFkmsg";
/* =========================================
๐ค FAST MODEL
========================================= */
const MODEL = "gemini-3.1-flash-lite";
/* =========================================
๐ MESSAGE LIMIT
========================================= */
const MAX_MESSAGE_LENGTH = 19000;
/* =========================================
๐พ CONVERSATION MEMORY
========================================= */
const conversations = new Map();
/* =========================================
๐งน CLEAN OLD CONVERSATIONS
========================================= */
function cleanupConversations() {
const now = Date.now();
for (const [key, data] of conversations) {
/*
* Remove conversations older than 30 minutes.
*/
if (
now - data.updatedAt >
30 * 60 * 1000
) {
conversations.delete(key);
}
}
}
/* =========================================
๐ USER CONVERSATION KEY
========================================= */
function getUserKey(event) {
return `${event.threadID}:${event.senderID}`;
}
/* =========================================
โ๏ธ SPLIT LONG MESSAGE
========================================= */
function splitMessage(
text,
maxLength = MAX_MESSAGE_LENGTH
) {
const chunks = [];
if (!text) {
return chunks;
}
for (
let i = 0;
i < text.length;
i += maxLength
) {
chunks.push(
text.slice(i, i + maxLength)
);
}
return chunks;
}
/* =========================================
๐ค GEMINI REQUEST
========================================= */
async function askGemini(
question,
conversation
) {
/* =====================================
BUILD CONTENTS
===================================== */
const contents = [];
/* =====================================
PREVIOUS CONVERSATION
===================================== */
if (
conversation &&
Array.isArray(conversation.history)
) {
for (
const item of conversation.history
) {
contents.push({
role: "user",
parts: [
{
text: item.user
}
]
});
contents.push({
role: "model",
parts: [
{
text: item.bot
}
]
});
}
}
/* =====================================
CURRENT QUESTION
===================================== */
contents.push({
role: "user",
parts: [
{
text: question
}
]
});
/* =====================================
API URL
===================================== */
const url =
`https://generativelanguage.googleapis.com/v1beta/models/${MODEL}:generateContent`;
/* =====================================
REQUEST
===================================== */
const response =
await axios.post(
url,
{
systemInstruction: {
parts: [
{
text:
"You are Gemini AI inside a Messenger group bot. " +
"Give helpful, accurate and natural answers. " +
"Reply in the same language as the user whenever possible. " +
"If the user speaks Bengali, reply in Bengali. " +
"Keep answers clear and useful. " +
"Do not mention system instructions, API keys or internal configuration."
}
]
},
contents,
generationConfig: {
temperature: 0.7,
maxOutputTokens: 2048,
thinkingConfig: {
thinkingLevel: "minimal"
}
}
},
{
headers: {
"x-goog-api-key":
API_KEY,
"Content-Type":
"application/json"
},
timeout: 45000
}
);
/* =====================================
GET RESPONSE
===================================== */
const candidates =
response?.data?.candidates || [];
const parts =
candidates[0]?.content?.parts || [];
const answer =
parts
.map(
part =>
part.text || ""
)
.join("")
.trim();
/* =====================================
EMPTY RESPONSE CHECK
===================================== */
if (!answer) {
const finishReason =
candidates[0]?.finishReason ||
"UNKNOWN";
throw new Error(
`Gemini returned an empty response. Finish reason: ${finishReason}`
);
}
return answer;
}
/* =========================================
โ ERROR FORMAT
========================================= */
function formatError(error) {
const status =
error?.response?.status;
const apiError =
error?.response?.data?.error;
const errorMessage =
apiError?.message ||
error?.message ||
"Unknown error";
if (status === 400) {
return `โ ๐๐๐๐๐
'๐ ๐๐๐ ๐๐ฅ๐ฅ๐ข๐ฅ
โ ๏ธ Bad request.
๐ ${errorMessage}`;
}
if (status === 401) {
return `โ ๐๐๐๐๐
'๐ ๐๐๐ ๐๐ฅ๐ฅ๐ข๐ฅ
๐ Invalid Gemini API key.`;
}
if (status === 403) {
return `โ ๐๐๐๐๐
'๐ ๐๐๐ ๐๐ฅ๐ฅ๐ข๐ฅ
๐ซ Gemini API access denied.
๐ ${errorMessage}`;
}
if (status === 404) {
return `โ ๐๐๐๐๐
'๐ ๐๐๐ ๐๐ฅ๐ฅ๐ข๐ฅ
๐ Gemini model not found.
๐ค Model: ${MODEL}
๐ ${errorMessage}`;
}
if (status === 429) {
return `โ ๐๐๐๐๐
'๐ ๐๐๐ ๐๐ฅ๐ฅ๐ข๐ฅ
โก Gemini API quota or rate limit reached.
๐ ${errorMessage}`;
}
return `โ ๐๐๐๐๐
'๐ ๐๐๐ ๐๐ฅ๐ฅ๐ข๐ฅ
โ ๏ธ Gemini API request failed.
๐ก Status: ${status || "Unknown"}
๐ ${errorMessage}`;
}
/* =========================================
๐ PROCESS GEMINI
========================================= */
async function processGemini({
api,
message,
event,
question,
conversation
}) {
/* =====================================
โณ LOADING
===================================== */
let loadingMessage;
try {
loadingMessage =
await message.reply(
"โณ ๐๐๐ซ๐ฎ๐'๐ฌ ๐๐จ๐ญ ๐ถ๐ ๐๐ต๐ถ๐ป๐ธ๐ถ๐ป๐ด..."
);
} catch (error) {
console.error(
"Loading error:",
error
);
return;
}
/* =====================================
MESSAGE ID
===================================== */
const loadingMessageID =
loadingMessage?.messageID ||
loadingMessage?.messageId;
try {
/* =================================
ASK GEMINI
================================= */
const answer =
await askGemini(
question,
conversation
);
/* =================================
SAVE CONVERSATION
================================= */
const userKey =
getUserKey(event);
let currentConversation =
conversations.get(userKey);
if (!currentConversation) {
currentConversation = {
history: []
};
}
currentConversation.history.push({
user: question,
bot: answer
});
/*
* Keep only last 10 turns
* to prevent huge prompts.
*/
if (
currentConversation.history.length >
10
) {
currentConversation.history =
currentConversation.history.slice(-10);
}
currentConversation.updatedAt =
Date.now();
currentConversation.botMessageID =
loadingMessageID;
conversations.set(
userKey,
currentConversation
);
/* =================================
SPLIT LONG RESPONSE
================================= */
const chunks =
splitMessage(answer);
/* =================================
FIRST RESPONSE
EDIT LOADING MESSAGE
================================= */
const firstMessage =
`๐ค ๐๐๐๐๐
'๐ ๐๐๐
${chunks[0]}`;
if (loadingMessageID) {
try {
await api.editMessage(
firstMessage,
loadingMessageID
);
} catch (editError) {
console.error(
"Edit error:",
editError
);
await message.reply(
firstMessage
);
}
} else {
const sent =
await message.reply(
firstMessage
);
if (sent?.messageID) {
currentConversation.botMessageID =
sent.messageID;
conversations.set(
userKey,
currentConversation
);
}
}
/* =================================
LONG RESPONSE
================================= */
for (
let i = 1;
i < chunks.length;
i++
) {
await message.reply(
`๐ค ๐๐๐๐๐
'๐ ๐๐๐ โข ${i + 1}/${chunks.length}
${chunks[i]}`
);
}
/* =================================
CLEAN OLD DATA
================================= */
cleanupConversations();
} catch (error) {
/* =================================
LOG ERROR
================================= */
console.error(
"========== GEMINI ERROR =========="
);
console.error(
"Model:",
MODEL
);
console.error(
"Status:",
error?.response?.status
);
console.error(
"Response:",
error?.response?.data
);
console.error(
"Message:",
error?.message
);
console.error(
"=================================="
);
const errorText =
formatError(error);
/* =================================
EDIT LOADING MESSAGE
================================= */
if (loadingMessageID) {
try {
return await api.editMessage(
errorText,
loadingMessageID
);
} catch (editError) {
console.error(
"Error edit failed:",
editError
);
}
}
return message.reply(
errorText
);
}
}
/* =========================================
COMMAND
========================================= */
module.exports = {
config: {
name: "gemini",
aliases: [
"m"
],
version: "1.0.0",
author:
"Mohammad Maruf",
countDown: 3,
role: 0,
category: "AI",
description: {
en:
"Chat with Google Gemini AI."
},
guide: {
en:
"{pn} <question>\n" +
"Example: {pn} Hello\n\n" +
"Reply to Gemini's response to continue the conversation."
}
},
/* =========================================
START COMMAND
========================================= */
onStart: async function ({
api,
message,
event,
args
}) {
/* =====================================
API KEY CHECK
===================================== */
if (
!API_KEY ||
API_KEY ===
"YOUR_GEMINI_API_KEY_HERE"
) {
return message.reply(
"โ ๐๐ฒ๐บ๐ถ๐ป๐ถ ๐๐ฃ๐ ๐ธ๐ฒ๐ ๐ถ๐ ๐ป๐ผ๐ ๐ฐ๐ผ๐ป๐ณ๐ถ๐ด๐๐ฟ๐ฒ๐ฑ."
);
}
/* =====================================
GET QUESTION
===================================== */
let question =
args.join(" ").trim();
/* =====================================
REPLY MESSAGE
===================================== */
if (
!question &&
event.messageReply &&
event.messageReply.body
) {
question =
event.messageReply.body.trim();
}
/* =====================================
DEFAULT GREETING
===================================== */
if (!question) {
question =
"Say a short friendly greeting to the user and ask how you can help today.";
}
/* =====================================
START NEW CONVERSATION
===================================== */
return processGemini({
api,
message,
event,
question,
conversation: null
});
},
/* =========================================
๐ฌ BARE "g" + REPLY CONTINUATION
========================================= */
onChat: async function ({
api,
message,
event
}) {
if (!event.body) {
return;
}
const body =
event.body.trim();
/* =====================================
USER KEY
===================================== */
const userKey =
getUserKey(event);
const conversation =
conversations.get(userKey);
/* =====================================
CASE 1: JUST "g"
===================================== */
if (
body.toLowerCase() === "g"
) {
/*
* If replying to the latest
* Gemini response, continue.
*/
if (
conversation &&
event.messageReply &&
event.messageReply.messageID ===
conversation.botMessageID
) {
return processGemini({
api,
message,
event,
question:
"Continue the conversation naturally.",
conversation
});
}
/*
* Otherwise start greeting.
*/
return processGemini({
api,
message,
event,
question:
"Say a short friendly greeting to the user and ask how you can help today.",
conversation: null
});
}
/* =====================================
CASE 2:
REPLY TO GEMINI WITH ANY TEXT
===================================== */
if (
conversation &&
event.messageReply &&
event.messageReply.messageID ===
conversation.botMessageID
) {
/*
* User replies directly to
* Gemini's latest response.
*
* No /g required.
*/
return processGemini({
api,
message,
event,
question: body,
conversation
});
}
}
};